Office Lens 20170607-184322 - (1)...tanning can bring overall T DS level in the effluent to 4,000...
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Office Lens 20170607-184322 - (1)...tanning can bring overall T DS level in the effluent to 4,000 — 5,000 mg/l from current 15,000 20,000 mg/L This makes effluent treatment much